X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Fsrc%2Fip.c;h=19be51a030d89b4cbefffc6e95fb1d1103f720a4;hb=b4a15239139c285af7009b4fcc23e1933b19173b;hp=d601b46b3a3b8c6fe537aa2bded3cd343c1323a1;hpb=b536a578fbabdc9d39da53d54a8d7700ba537431;p=exim.git

diff --git a/src/src/ip.c b/src/src/ip.c
index d601b46b3..19be51a03 100644
--- a/src/src/ip.c
+++ b/src/src/ip.c
@@ -264,10 +264,10 @@ if (fastopen_blob && f.tcp_fastopen_ok)
 	/* seen for with-data, proper TFO opt, with-cookie case */
     {
     DEBUG(D_transport|D_v)
-      debug_printf("non-TFO mode connection attempt to %s, %lu data\n",
+      debug_printf(" TFO mode connection attempt to %s, %lu data\n",
 	address, (unsigned long)fastopen_blob->len);
     /*XXX also seen on successful TFO, sigh */
-    tcp_out_fastopen = fastopen_blob->len > 0 ?  TFO_USED : TFO_ATTEMPTED;
+    tcp_out_fastopen = fastopen_blob->len > 0 ?  TFO_ATTEMPTED_DATA : TFO_ATTEMPTED_NODATA;
     }
   else if (errno == EINPROGRESS)	/* expected if we had no cookie for peer */
 	/* seen for no-data, proper TFO option, both cookie-request and with-cookie cases */
@@ -276,11 +276,11 @@ if (fastopen_blob && f.tcp_fastopen_ok)
 	/*   with netwk delay, post-conn tcp_info sees unacked 1 for R, 2 for C; code in smtp_out.c */
 	/* ? older Experimental TFO option behaviour ? */
     {					/* queue unsent data */
-    DEBUG(D_transport|D_v) debug_printf("TFO mode sendto, %s data: EINPROGRESS\n",
+    DEBUG(D_transport|D_v) debug_printf(" TFO mode sendto, %s data: EINPROGRESS\n",
       fastopen_blob->len > 0 ? "with"  : "no");
     if (!fastopen_blob->data)
       {
-      tcp_out_fastopen = TFO_ATTEMPTED;		/* we tried; unknown if useful yet */
+      tcp_out_fastopen = TFO_ATTEMPTED_NODATA;		/* we tried; unknown if useful yet */
       rc = 0;
       }
     else
@@ -306,9 +306,9 @@ if (fastopen_blob && f.tcp_fastopen_ok)
 	     CONNECT_DATA_IDEMPOTENT, &iov, 1, &len, NULL)) == 0)
     {
     DEBUG(D_transport|D_v)
-      debug_printf("TFO mode connection attempt to %s, %lu data\n",
+      debug_printf(" TFO mode connection attempt to %s, %lu data\n",
 	address, (unsigned long)fastopen_blob->len);
-    tcp_out_fastopen = fastopen_blob->len > 0 ?  TFO_USED : TFO_ATTEMPTED;
+    tcp_out_fastopen = fastopen_blob->len > 0 ?  TFO_ATTEMPTED_DATA : TFO_ATTEMPTED_NODATA;
 
     if (len != fastopen_blob->len)
       DEBUG(D_transport|D_v)
@@ -316,11 +316,11 @@ if (fastopen_blob && f.tcp_fastopen_ok)
     }
   else if (errno == EINPROGRESS)
     {
-    DEBUG(D_transport|D_v) debug_printf("TFO mode sendto, %s data: EINPROGRESS\n",
+    DEBUG(D_transport|D_v) debug_printf(" TFO mode connectx, %s data: EINPROGRESS\n",
       fastopen_blob->len > 0 ? "with"  : "no");
     if (!fastopen_blob->data)
       {
-      tcp_out_fastopen = TFO_ATTEMPTED;		/* we tried; unknown if useful yet */
+      tcp_out_fastopen = TFO_ATTEMPTED_NODATA;		/* we tried; unknown if useful yet */
       rc = 0;
       }
     else	/* assume that no data was queued; block in send */
@@ -331,9 +331,12 @@ if (fastopen_blob && f.tcp_fastopen_ok)
 else
 #endif	/*TCP_FASTOPEN*/
   {
+#if defined(TCP_FASTOPEN) && defined(MSG_FASTOPEN)
 legacy_connect:
+#endif
+
   DEBUG(D_transport|D_v) if (fastopen_blob)
-    debug_printf("non-TFO mode connection attempt to %s, %lu data\n",
+    debug_printf(" non-TFO mode connection attempt to %s, %lu data\n",
       address, (unsigned long)fastopen_blob->len);
   if ((rc = connect(sock, s_ptr, s_len)) >= 0)
     if (  fastopen_blob && fastopen_blob->data && fastopen_blob->len
@@ -394,9 +397,8 @@ int
 ip_connectedsocket(int type, const uschar * hostname, int portlo, int porthi,
       int timeout, host_item * connhost, uschar ** errstr, const blob * fastopen_blob)
 {
-int namelen, port;
+int namelen;
 host_item shost;
-host_item *h;
 int af = 0, fd, fd4 = -1, fd6 = -1;
 
 shost.next = NULL;
@@ -440,7 +442,7 @@ else
 
 /* Try to connect to the server - test each IP till one works */
 
-for (h = &shost; h; h = h->next)
+for (host_item * h = &shost; h; h = h->next)
   {
   fd = Ustrchr(h->address, ':') != 0
     ? fd6 < 0 ? (fd6 = ip_socket(type, af = AF_INET6)) : fd6
@@ -452,7 +454,7 @@ for (h = &shost; h; h = h->next)
     goto bad;
     }
 
-  for(port = portlo; port <= porthi; port++)
+  for (int port = portlo; port <= porthi; port++)
     if (ip_connect(fd, af, h->address, port, timeout, fastopen_blob) == 0)
       {
       if (fd != fd6) close(fd6);
@@ -513,7 +515,7 @@ if ((sock = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
 
 callout_address = string_copy(path);
 server.sun_family = AF_UNIX;
-Ustrncpy(server.sun_path, path, sizeof(server.sun_path)-1);
+Ustrncpy(US server.sun_path, path, sizeof(server.sun_path)-1);
 server.sun_path[sizeof(server.sun_path)-1] = '\0';
 if (connect(sock, (struct sockaddr *) &server, sizeof(server)) < 0)
   {
@@ -566,16 +568,15 @@ if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
 /*
 Arguments:
   fd          the file descriptor
-  timeout     the timeout, seconds
+  timelimit   the timeout endpoint, seconds-since-epoch
 Returns:      TRUE => ready for i/o
               FALSE => timed out, or other error
 */
 BOOL
-fd_ready(int fd, int timeout)
+fd_ready(int fd, time_t timelimit)
 {
 fd_set select_inset;
-time_t start_recv = time(NULL);
-int time_left = timeout;
+int time_left = timelimit - time(NULL);
 int rc;
 
 if (time_left <= 0)
@@ -609,8 +610,7 @@ do
     DEBUG(D_transport) debug_printf("EINTR while waiting for socket data\n");
 
     /* Watch out, 'continue' jumps to the condition, not to the loops top */
-    time_left = timeout - (time(NULL) - start_recv);
-    if (time_left > 0) continue;
+    if ((time_left = timelimit - time(NULL)) > 0) continue;
     }
 
   if (rc <= 0)
@@ -634,24 +634,24 @@ Arguments:
   cctx        the connection context (socket fd, possibly TLS context)
   buffer      to read into
   bufsize     the buffer size
-  timeout     the timeout
+  timelimit   the timeout endpoint, seconds-since-epoch
 
 Returns:      > 0 => that much data read
               <= 0 on error or EOF; errno set - zero for EOF
 */
 
 int
-ip_recv(client_conn_ctx * cctx, uschar * buffer, int buffsize, int timeout)
+ip_recv(client_conn_ctx * cctx, uschar * buffer, int buffsize, time_t timelimit)
 {
 int rc;
 
-if (!fd_ready(cctx->sock, timeout))
+if (!fd_ready(cctx->sock, timelimit))
   return -1;
 
 /* The socket is ready, read from it (via TLS if it's active). On EOF (i.e.
 close down of the connection), set errno to zero; otherwise leave it alone. */
 
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
 if (cctx->tls_ctx)					/* client TLS */
   rc = tls_read(cctx->tls_ctx, buffer, buffsize);
 else if (tls_in.active.sock == cctx->sock)		/* server TLS */
@@ -835,8 +835,7 @@ return FALSE;
 void
 dscp_list_to_stream(FILE *stream)
 {
-int i;
-for (i=0; i < dscp_table_size; ++i)
+for (int i = 0; i < dscp_table_size; ++i)
   fprintf(stream, "%s\n", dscp_table[i].name);
 }